+- (NSInteger)numberOfDevicesInDeviceList:(NJDeviceViewController *)dvc;
+- (NJDevice *)deviceViewController:(NJDeviceViewController *)dvc
+ deviceForIndex:(NSUInteger)idx;
+- (NJInputPathElement *)deviceViewController:(NJDeviceViewController *)dvc
+ elementForUID:(NSString *)uid;
+
+
+- (void)deviceViewController:(NJDeviceViewController *)dvc